import java.rmi.Remote;
import java.rmi.RemoteException;


public interface calculatorInterface extends Remote {
	public float add(float x, float y) throws RemoteException;
	public float sub(float x, float y) throws RemoteException;
	public float mul(float x, float y) throws RemoteException;
	public float div(float x, float y) throws RemoteException;
}
